Answer:

Step-by-step explanation:
Multiply
.
Answer:
507
Step-by-step explanation:
As they said, I will be using 3 as pi.
(pi)
(radius squared)
Without annotations: 

; 


Answer:
hi
Step-by-step explanation:
lolol
Answer:
2.25
Step-by-step explanation:
to find slope it is (y2-y1)/(x2-x1)
(15.25-8.50)/(5-2)
6.75/3
2.25 is the slope
The expression is
50h+25
50 times the number of hours, "h"
25 representing the one time service fee